Jun was a teenage recluse, content to seal himself away in his room, but fate had other plans for him! When he orders an actually magical doll named Shinku, he gets swept up in a supernatural adventure beyond his wildest dreams! Shinku, captured by Kirakishou, flees to a temporary body in an alternate world where Jun chose not to awaken Shinku. In this world, she lives with a university student version of Jun. Faced with a harsh reality, Jun begins to create his own doll, only for an unexpected visitor to arrive!